Home / 880,015.32-1,319,811.57-406,245.51

Finding the Fourth Proportional to 880,015.32, 1,319,811.57 and 406,245.51

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Solution

The fourth proportional to 880,015.32, 1,319,811.57 and 406,245.51 is: 609,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,015.32 : 1,319,811.57 = 406,245.51 : x
  2. Step 2: Convert to fraction form
    880,015.32/1,319,811.57 = 406,245.51/x
  3. Step 3: Cross multiply
    880,015.32x = 1,319,811.57 × 406,245.51
  4. Step 4: Simplify right side
    880,015.32x = 536,167,524,358.55
  5. Step 5: Solve for x
    x = 536,167,524,358.55/880,015.32
  6. Step 6: Final answer
    x = 609,270.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.